FR2435855B1 - - Google Patents

Info

Publication number
FR2435855B1
FR2435855B1 FR7922463A FR7922463A FR2435855B1 FR 2435855 B1 FR2435855 B1 FR 2435855B1 FR 7922463 A FR7922463 A FR 7922463A FR 7922463 A FR7922463 A FR 7922463A FR 2435855 B1 FR2435855 B1 FR 2435855B1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7922463A
Other languages
French (fr)
Other versions
FR2435855A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre Electronique Horloger SA
Original Assignee
Centre Electronique Horloger SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Centre Electronique Horloger SA filed Critical Centre Electronique Horloger SA
Publication of FR2435855A1 publication Critical patent/FR2435855A1/en
Application granted granted Critical
Publication of FR2435855B1 publication Critical patent/FR2435855B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
    • H03H9/02023—Characteristics of piezoelectric layers, e.g. cutting angles consisting of quartz
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders; Supports
    • H03H9/0595—Holders; Supports the holder support and resonator being formed in one body
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/19—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of quartz

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR7922463A 1978-09-08 1979-09-07 PIEZO-ELECTRIC RESONATOR Granted FR2435855A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH944278A CH623690A5 (en) 1978-09-08 1978-09-08

Publications (2)

Publication Number Publication Date
FR2435855A1 FR2435855A1 (en) 1980-04-04
FR2435855B1 true FR2435855B1 (en) 1982-12-17

Family

ID=4352043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7922463A Granted FR2435855A1 (en) 1978-09-08 1979-09-07 PIEZO-ELECTRIC RESONATOR

Country Status (9)

Country Link
US (1) US4313071A (en)
JP (1) JPS5538799A (en)
CA (1) CA1141445A (en)
CH (1) CH623690A5 (en)
DE (1) DE2936225A1 (en)
FR (1) FR2435855A1 (en)
GB (1) GB2032685B (en)
HK (1) HK23088A (en)
NL (1) NL190593C (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2521782A1 (en) * 1982-02-16 1983-08-19 Centre Electron Horloger INTEGRATED PIEZOELECTRIC RESONATOR
CH650897GA3 (en) * 1982-07-14 1985-08-30
US4486682A (en) * 1983-03-17 1984-12-04 The United States Of America As Represented By The Secretary Of The Army Stress compensated quartz resonator having ultra-linear frequency-temperature response
US4499395A (en) * 1983-05-26 1985-02-12 The United States Of America As Represented By The Secretary Of The Air Force Cut angles for quartz crystal resonators
US4542355A (en) * 1984-11-07 1985-09-17 The United States Of America As Represented By The Secretary Of The Army Normal coordinate monolithic crystal filter
JPS61288132A (en) * 1985-06-17 1986-12-18 Yokogawa Electric Corp Crystal thermometer
US4900971A (en) * 1988-03-10 1990-02-13 Seiko Electronic Components Ltd. Face shear mode quartz crystal resonator
FR2634067B1 (en) * 1988-07-07 1992-04-03 Electro Microtechn Centre PIEZOELECTRIC RESONATOR
CH683050A5 (en) * 1991-06-04 1993-12-31 Suisse Electronique Microtech Vibrating quartz resonator in fundamental mode of twist.
JP2743701B2 (en) * 1992-03-30 1998-04-22 株式会社村田製作所 Oscillation circuit
US6172443B1 (en) * 1998-11-24 2001-01-09 Cts Corporation Quartz crystal resonator with improved temperature performance and method therefor
US6590315B2 (en) * 2000-05-26 2003-07-08 William D. Beaver Surface mount quartz crystal resonators and methods for making same
US6744182B2 (en) * 2001-05-25 2004-06-01 Mark Branham Piezoelectric quartz plate and method of cutting same
US6791243B2 (en) * 2002-03-06 2004-09-14 Piedek Technical Laboratory Quartz crystal unit and its manufacturing method
US6897743B2 (en) * 2002-03-06 2005-05-24 Piedek Technical Laboratory Electronic apparatus with two quartz crystal oscillators utilizing different vibration modes
JP2003318699A (en) * 2002-04-23 2003-11-07 Piedekku Gijutsu Kenkyusho:Kk Quartz unit and manufacturing method thereof
US6707234B1 (en) * 2002-09-19 2004-03-16 Piedek Technical Laboratory Quartz crystal unit, its manufacturing method and quartz crystal oscillator
JP4600692B2 (en) * 2007-12-28 2010-12-15 エプソントヨコム株式会社 Quartz crystal resonator element, crystal device, and crystal resonator element manufacturing method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275252A (en) * 1975-12-19 1977-06-24 Seiko Instr & Electronics Ltd Crystal oscillator circuit

Also Published As

Publication number Publication date
NL190593B (en) 1993-12-01
CH623690A5 (en) 1981-06-15
JPH0232807B2 (en) 1990-07-24
US4313071A (en) 1982-01-26
CA1141445A (en) 1983-02-15
JPS5538799A (en) 1980-03-18
DE2936225C2 (en) 1988-01-28
NL7906675A (en) 1980-03-11
GB2032685B (en) 1982-12-08
FR2435855A1 (en) 1980-04-04
NL190593C (en) 1994-05-02
HK23088A (en) 1988-03-31
DE2936225A1 (en) 1980-03-20
GB2032685A (en) 1980-05-08

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Legal Events

Date Code Title Description
ST Notification of lapse